I'm trying to build a monomer app and I'm getting linker errors:

I think I have the required dependencies (sdl2-dev and glew-dev), but the linker fails anyways. The libraries are actually located in /usr/lib as they should be:

Still, the linker does not find them. Any ideas on what to do?
Example project: https://github.com/sproott/monomer-static-build-problem